EPSC 201 Lecture Notes - Lecture 1: Sodium Chloride, Euhedral And Anhedral, Seafloor Spreading
11 Oct 2014
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Document Summary
Evidence from ancient climates: past glaciations and the equatorial climate belt. Presence of glacial tills of the carboniferous period in south america, south africa, india, australia, areas now located in subtropical to tropical regions where glaciers are unlikely to be found. Distribution of major coal fields that date to the same period and are found today in continents of the north. Striking similarities of certain fossils found on continents now separated by large oceans. Evidence from identical geological structures and rock types on continents now separated by an ocean. The continuity of geological formations and correspondence of ages of rocks found on the east coast of. South america and the west coast of africa. The polar wandering curve based on european paleomagnetic data is roughly parallel to the north. American curve but separated by about 30o in longitude for much of the paleozoic and triassic time (210 to 600 m. y. b. p.
